Drop-in ceiling light fixture



FIG. 1 is a perspective view of the drop-in ceiling light fixture of the invention;

FIG. 2 is a front elevation view of the drop-in ceiling light fixture of FIG. 1, the right side, left side and back elevation views being the same;

FIG. 3 is a top view of the drop-in ceiling light fixture of FIG. 1; and,

FIG. 4 is a bottom view of the drop-in ceiling light fixture of FIG. 1. 

The ornamental design for a drop-in ceiling light fixture, as shown and described. 